The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 2016
Filed:
Aug. 28, 2014
Applicant:
Lonza Ltd, Visp, CH;
Inventors:
Assignee:
Lonza Ltd, Visp, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 319/00 (2006.01); C07D 319/06 (2006.01); C07C 67/03 (2006.01); C07C 67/32 (2006.01); C07C 67/05 (2006.01); C07C 67/297 (2006.01); C07D 207/34 (2006.01); C07D 239/42 (2006.01);
U.S. Cl.
CPC ...
C07D 319/06 (2013.01); C07C 67/03 (2013.01); C07C 67/05 (2013.01); C07C 67/297 (2013.01); C07C 67/32 (2013.01); C07D 207/34 (2013.01); C07D 239/42 (2013.01);
Abstract
The invention discloses a method for the preparation of tert-butyl 6-chloro-3,5-dioxohexanoate from Meldrum's acid derivative and its use for the preparation of tert-butyl (4R,6S)-(6-hydroxymethyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate (BHA), Rosuvastatin and Atorvastatin.